Improvement in car-stoves



UNITED STATES PATENT QFFICE.

OLIVERP. KENNEDY, OF LUNDYS LANE, PENNSYLVANIA.

IMPROVEMENT IN CAR-STOVES.

Specification forming part of Letters Patent No. 185,545, dated December19, 1876; application filed June 14, [876.

To all whom "it may concern:

Be it known that I, OLIVER P. KENNEDY, of Lundys Lane, in the county ofErie and State of Pennsylvania, have invented certain new and usefulImprovements in Stoves for Railroad-(Jars; and I do hereby declare thatthe following is a full, clear, and exact description thereof, whichwill enable others skilled in the art to which it appertains to make anduse the same, reference being had to the accompanying drawings, and tothe letters of reference marked thereon, which form a part of thisspecification.

. The nature of my invention consists in the construction andarrangement ofa stove for railroad-cars, as will be hereinafter morefully set forth.

In the annexed drawing, Figure l is a central vertical section. Fig. 2is a bottom view, partly in section; and Fig. 3 is a transverse sectionon line as 00, Fig. 1.

A represents the base of my stove, supported upon legs B B, and boltedto the floor of .the car. On this base is the fire pot or chamber 0,either cast therewith or permanently secured thereto. In the upper edgeof the firepot, around the inside, is a shoulder or offset, a; in thefront, near the bottom, is a draftregister, b and in one side is thedoor D.

E represents a plate, of such dimensions that when pressed down it willfit closely on the offset or shoulder a. This plate has, on oppositesides, near its edge, two down wardlyprojecting rods, 61 d, which entervertical tubes d d, formed on the inside of the fire-chamber, and act asguides for the proper movement of the plate. The rods 01 extend downthrough the bottom of the stove into an elongated box, G, formedunderneath the fire-chamber. Through this box, from end to end, ispassed a spring, f, the ends of which pass through holes in the lowerends of the rods d, as shown. The action of this spring is to press therods d upward, and hold the plate E a certain distance above theshoulder a. When the plate is pressed down on this shoulder twospringcatches, h h, on the box G spring into other holes in the ends ofthe rods d, and lock the plate E down on the shoulder a. From the plateE also depend two other rods, m and n. The rod m enters a tube, m, onthe inside of the fire-chamber, above the door D, and on the inside ofsaid door is formed a prolongation, m of said tube. The rod n has, onits lower end, a flat plate, n, and passes down through the verticaldraft-tube E. This tube extends from top to bottom of the fire-chainber,and is open at both ends. Directly opposite the register it has anopening, i, with grating inserted therein. The rods m and n are of suchlength that when the plate E is in its normal position above theshoulder a the plate n will be above the register-opening, and the rod mwill not have entered the tube m on the door; but as soon as the plateis pressed down on the shoulder the rod m locks the door, and the plate19 closes the draft-opening.

Above the fire-chamber O is a drum, I, in which is a cross-bar, J, witha bowl, K, in the center, and a down-projecting arm, L, in the center,on the under side. This arm is slotted, and in the same is pivoted anelbow-lever, M, the lower end of which is, by a bar, N, connected withthe center of the plate E. The upper end of the lever is, by a chain,.9, connected with a heavy ball, 0, which lies in the bowl K, the chainpassing from the ball through a hole in the bowl to the lever.

When the stove is in use the plate E is held above the shoulder a asuitable distance, and the ball 0 rests in the bowl K, when the door ofthe tire chamber can be opened and closed at will, and the air enterthrough the draft opening. The smoke passes out through a pipe in thetop of the drum. Sh uld, from any cause, the stove tip over to eitherside, the ball 0 will at once fall out of the bowl K, and, by its chain,draw up one end of the lever M, thereby forcing down the other end,which is connected to the plate E, and said plate is pressed down uponthe shoulder a and instantly locked thereon by the spring-catches h h.This, as already stated, locks the door D and closes the draft-opening,so that the fire is completely confined in the fire-chamber, and cannot,under any circumstances, get out, thus preventing any accident by fire.

Immediately below the door D is situated 3. The guide-rods d and tubes(1'; in combination with the plate E and fire-box G, for the purposesset forth.

4. The combination, with the fire-box O and automatic closing-plate E,of the rods 11 d, box G, spring f, and spring-catches .h h, as and forthe purposes set forth.

In testimony that I claim the foregoing as my own I afiix my signaturein presence of two witnesses.

OLIVER P. KENNEDY.

Witnesses:

O. W. PURGELL, E. G. STEVENS-

